#include <smtp/uuencode.hpp>
#include <common/openfile.hpp>
#include <common/pview.hpp>
#include <common/filemap.hpp>
#include <common/progress.hpp>
#include <common/profile.hpp>

BOOL UUEncode::encode(GUIWindow &parentWindow,String srcPathFileName,Block<String> &lineStrings,BOOL initBlock)const
{
  Profile iniProfile;
	char readBuff[45];
	int readCount;
	int byteCount;
	int lineCount;
	char *ptrBuff;
	String outLine;
  int ch;

  if(initBlock)lineStrings.remove();
  if(srcPathFileName.isNull())return FALSE;
  FileHandle readFile(srcPathFileName,FileHandle::Read,FileHandle::ShareRead);
	if(!readFile.isOkay())return FALSE;
	FileMap readMap(readFile);
	PureViewOfFile readView(readMap);
	iniProfile.makeFileName(srcPathFileName);
	srcPathFileName.removeTokens("\\/");
  ::sprintf(outLine,"begin %d %s",644,(char*)srcPathFileName);
	lineStrings.insert(&outLine);
  Progress encodeProgress(parentWindow,srcPathFileName);
	encodeProgress.canCancel(TRUE);
	encodeProgress.show(TRUE);
	encodeProgress.setText("encoding... (press ESC to cancel).");
	while(sizeof(readBuff)==readView.read(readBuff,sizeof(readBuff))){parentWindow.yieldTask();lineCount++;}
	readView.rewind();
	encodeProgress.range(lineCount);
	while(readCount=readView.read(readBuff,sizeof(readBuff)))
	{
	  String lineString;
		char *ptrLine=(LPSTR)lineString;
    *(ptrLine++)=chEncode(readCount);
		for(ptrBuff=readBuff,byteCount=readCount;byteCount>0;byteCount-=3,ptrBuff+=3)
		{
			*(ptrLine++)=chEncode(*ptrBuff>>2);
      *(ptrLine++)=chEncode((*ptrBuff<<4)&0x30|(ptrBuff[1]>>4)&0x0F); 
      *(ptrLine++)=chEncode((ptrBuff[1]<<2)&0x3C|(ptrBuff[2]>>6)&0x03); 
      *(ptrLine++)=chEncode(ptrBuff[2]&0x3F);
			parentWindow.yieldTask();
		}
		lineStrings.insert(&lineString);
		encodeProgress++;
		if(!encodeProgress.isOkay()){lineStrings.remove();return FALSE;}
		if(readCount!=sizeof(readBuff))break;
	}
	String lastLine;
  lastLine+=(char)('\0'?('\0'&0x3F)+' ':'`');
	lineStrings.insert(&lastLine);
	lineStrings.insert(&String("end"));
	return TRUE;
}